待解决：A fatal error has been detected by the Java Runtime Environment

Tomcat 崩溃日志：

A fatal error has been detected by the Java Runtime Environment:

 EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x1db7ae66, pid=42264, tid=14148

JRE version: 7.0_21-b11

Java VM: Java HotSpot(TM) Client VM (23.21-b01 mixed mode windows-x86 )

Problematic frame:

C  [plcommpro.dll+0xae66]  GetDeviceData+0x1a6

Failed to write core dump. Minidumps are not enabled by default on client versions of Windows

If you would like to submit a bug report, please visit:

The crash happened outside the Java Virtual Machine in native code.

See problematic frame for where to report the bug.

—————  T H R E A D  —————

Current thread (0x1bce3c00):  JavaThread “deviceSend-pool-0” [_thread_in_native, id=14148, stack(0x1bc40000,0x1bc90000)]

siginfo: ExceptionCode=0xc0000005, reading address 0x00001480

以上问题原因为：

Java调用的DLL(32位)与JDK(64位)版本不一致，Tomcat使用JDK版本为64但是环境变量配置的JDK是32位，只要保证 Tomcat 和使用的DLL版本是一致的即可。